Crop production in red soil areas may be limited by Al toxicity. A possible alternative to ameliorate Al toxicity is the application of such organic manure as crop straw and animal manure. A pot experiment was conducted to investigate the effects of organic materials on the alleviation of Al toxicity in acid red soil. Ground wheat straw, pig manure or CaCO3 were mixed with the soil and incubate...

Strain HIL Y-9031725 was isolated from a soil sample collected in India. The strain was identified as belonging to the genus Streptomyces using the methods described by Shirling and Gottlieb.2) A loopful of mature slant culture of Streptomyces Y-9031725 was inoculated into Erlenmeyer flasks (500 ml capacity) containing 100 ml of seed medium consisting of glucose 1.5%, soyabean meal 1.5%, corn s...

In order to sustainable use of rangelands, it is necessary to recognize water, soil, and vegetation cover and analyze their relationships. Physical and chemical properties of soil are effective in distribution of plant species in local area. To determine the effects of some soil properties on species distribution of Eurotia ceratoides and Stipa barbata in Baghedar summer region of Bafgh, three ...

microbial calcium carbonate, by bridging sand particles, can play an important role in sand dune stability. a study was carried out on the cementation of sand grains and infilling of pore spaces by caco3. two bacterial species (sporosarcina pasteurii and sporosarcina ureae), three reactant concentrations (0.5, 1 and 1.5m), and six reaction times (12, 24, 48, 96, 192 and 288 hours) were tested i...

Soil and rock surfaces support microbial communities involved in mineral weathering processes. Using selective isolation, fungi were obtained from limestone surfaces of Mayan monuments in the semi-arid climate at Yucatan, Mexico. A total of 101 isolates representing 53 different taxa were studied. Common fungi such as Fusarium, Pestalotiopsis, Trichoderma, and Penicillium were associated with s...

Radiative cooling paints offer a sustainable method for reducing energy demand in buildings. This work investigates the effects of particle volume concentration (PVC) calcium carbonate (CaCO3) and hollow silicon dioxide (SiO2) microparticles acrylic-based on capability. Paint solar reflectance increases as total PVC until peak is reached. The addition CaCO3 improves due to an enhancement near-i...

This paper describes the rapid fabrication of an organic/inorganic multi-layered composite film: Parylene-poly(vinyl alcohol) (PVA)-calcium carbonate (CaCO3) composite film. CaCO3 crystals on PVA film were sandwiched between Parylene films, and thermal bonding was carried out after folding the sandwiched crystals eight times. Using this method, a millimeterthick 48-layered organic/inorganic com...